// Boot runs preparatory steps for ruleset execution
func (r *pluginRuleset) Boot(self *bot.Self) {
for _, pluginBin := range r.pluginBins {
l, err := net.Listen("tcp4", "0.0.0.0:0")
if err != nil {
log.Println("could not start plugin %s. error while setting listener: %v", pluginBin, err)
continue
}
log.Printf("plugin: starting %s", pluginBin)
rs := rpc.New(l)
rs.Boot(self)
cmd := exec.Command(pluginBin)
cmd.Env = os.Environ()
cmd.Env = append(cmd.Env, fmt.Sprintf("GOCHATBOT_RPC_BIND=%s", l.Addr()))
cmd.Env = append(cmd.Env, fmt.Sprintf("GOCHATBOT_NAME=%s", self.Name()))
cmd.Stderr = os.Stderr
if err := cmd.Start(); err != nil {
log.Printf("plugin: %s - error: %v", pluginBin, err)
log.Printf("plugin: %s closing listener.", pluginBin)
l.Close()
continue
}
r.plugins = append(r.plugins, rs)
}
}
